8155.asm

实现单片机通过8155控制显示的功能

		ORG 00H
		LJMP MAIN
MAIN:	MOV R0,#40H
		MOV DPTR,#7E00H
LP:		MOV A,R0
		MOVX @DPTR,A
		INC DPTR
		INC R0
		CJNE R0,#50H,LP
		MOV DPTR,#7F04H
		MOV A,#64H
		MOVX @DPTR,A
		INC DPTR
		MOV A,#40H
		MOVX @DPTR,A
		MOV DPTR,#7F00H
		MOV A,#0C2H
		MOVX @DPTR,A
		SJMP $
		END